Unit Circle (version B)

A) π
B) √3/2
C) r
D) √2/2
E) 1

A) theta
B) r
C) 1
D) y
E) x

A) 2π
B) 180
C) 360
D) 1
E) π

A) r
B) 1
C) y
D) theta
E) x

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) true
B) false
C) Can't be determined
D) Neither

A) -infinity to +infinity
B) 0 to 360
C) 0 to 2π
D) -1 to 1

A) neither 90 nor 270 degrees
B) both 0 and 180 degrees
C) 270 degrees
D) 90 degrees
E) both 90 and 270 degrees

A) 0 degrees
B) 270 degrees
C) 180 degrees
D) 90 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) -π
B) 2π
C) π/2
D) π
E) -π/2

A) -√2/2
B) 1
C) √2/2
D) 1/2
E) 0

A) -√2/2
B) 1/2
C) √2/2
D) √3/2
E) 45

A) -30 degrees
B) -330 degrees
C) 330 degrees
D) -390 degrees

A) 0
B) -1
C) 1/2
D) √3/2
E) 1

A) 1/2 radians
B) 3π radians
C) 3π/2 radians
D) -π radians
E) 2π radians

A) 45 degrees
B) 315 degrees
C) 225 degrees
D) 135 degrees
E) 3π/2 radians

A) IV
B) III
C) never
D) II
E) I

A) π/2
B) π
C) 3π/2
D) 3π
E) 2π

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) Neither
B) True
C) Can't be determined
D) False

A) 3π/2 radians
B) 90 degrees
C) π/2 radians
D) 2π radians

20. The cosine function is positive and the sine function is negative in quadrant

A) I
B) III
C) III
D) IV

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